Monday, March 22, 2010

Depth of Field

Camera Lens/ Aperture
The word aperture refers to how large the opening of your lens is.

Aperture is defined by f/stops.

The smaller the f/stop number, the larger the opening ( like an f/2.8).

Depth of Field
Is the amount of the image that is in focus.

3 Things that control Depth of Field
1. The Aperture. The larger the opening, the more light can get in, and the more blurry the background.
2. The size of the lens. Shorter the lens, the more that will be in focus.
3. Distance to subject. The closer to the subject, the less amount in focus.

Try setting your camera to Aperture priority mode (it’s usually indicated by a capital “A” or an “Av.” Now, set the f/stop to the lowest number that your lens can go. Then set it to a middle aperture number. Then to the highest it will go...












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